can terraform
Regular verb: terraform - terraformed- terraformed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can terraform
you can terraform
he can terraform
we can terraform
you can terraform
they can terraform 	I can be terraforming
you can be terraforming
he can be terraforming
we can be terraforming
you can be terraforming
they can be terraforming	I can have terraformed
you can have terraformed
he can have terraformed
we can have terraformed
you can have terraformed
they can have terraformed	I can have been terraforming
you can have been terraforming
he can have been terraforming
we can have been terraforming
you can have been terraforming
they can have been terraforming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't terraform
you can't terraform
he can't terraform
we can't terraform
you can't terraform
they can't terraform 	I can't be terraforming
you can't be terraforming
he can't be terraforming
we can't be terraforming
you can't be terraforming
they can't be terraforming	I can't have terraformed
you can't have terraformed
he can't have terraformed
we can't have terraformed
you can't have terraformed
they can't have terraformed	I can't have been terraforming
you can't have been terraforming
he can't have been terraforming
we can't have been terraforming
you can't have been terraforming
they can't have been terraforming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I terraform?
can you terraform?
can he terraform?
can we terraform?
can you terraform?
can they terraform? 	can I be terraforming?
can you be terraforming?
can he be terraforming?
can we be terraforming?
can you be terraforming?
can they be terraforming? 	can I have terraformed?
can you have terraformed?
can he have terraformed?
can we have terraformed?
can you have terraformed?
can they have terraformed? 	can I have been terraforming?
can you have been terraforming?
can he have been terraforming?
can we have been terraforming?
can you have been terraforming?
can they have been terraforming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I terraform?
can't you terraform?
can't he terraform?
can't we terraform?
can't you terraform?
can't they terraform? 	can't I be terraforming?
can't you be terraforming?
can't he be terraforming?
can't we be terraforming?
can't you be terraforming?
can't they be terraforming? 	can't I have terraformed?
can't you have terraformed?
can't he have terraformed?
can't we have terraformed?
can't you have terraformed?
can't they have terraformed? 	can't I have been terraforming?
can't you have been terraforming?
can't he have been terraforming?
can't we have been terraforming?
can't you have been terraforming?
can't they have been terraforming?